Kalkulačka CASIO SL-310YC vrecková Basic, 10-miestna, batéria/solár, biela

CASIO SL-310YC is a compact pocket calculator with a 10‑digit LCD that combines battery and solar power for reliable everyday use. Housed in a white rounded case with a layered back and oblique pattern accents, the unit is designed for comfortable handling and easy readability. The calculator includes basic arithmetic functions plus dedicated tax and profit calculation features, making it suitable for quick business checks and general arithmetic tasks.

Advantages

The rounded form factor and flat keys with rounded corners provide comfortable touch operation and a friendlier look and feel. Embossed number-key areas and an oblique printed pattern on the upper key area add subtle visual accents, while the selected rounded, slightly bold font improves legibility. Dual power (battery and solar) ensures dependable operation in varied lighting conditions, and the compact pocket size makes it easy to carry.

Suitable for

• Everyday arithmetic and homework
• Quick business checks such as tax and profit calculations
• On-the-go use for students, professionals and mobile staff

Key specifications

• Display: 10‑digit LCD
• Power: Battery and solar hybrid
• Functions: Basic arithmetic, tax calculation, profit calculation
• Housing: Compact rounded white case with layered back

How to use

Turn the calculator on and use the numeric keys and operation keys for standard calculations. Use the dedicated tax and profit keys for business-related computations following the on-device labels. Ensure the solar panel receives adequate light when available; replace the battery according to usage and the manufacturer’s guidance when the display dims or operation becomes inconsistent.

Recommendations

Keep the calculator clean and store it away from extreme temperatures. For best longevity, avoid prolonged exposure to direct sunlight or moisture and replace the LR54 battery when solar power alone no longer sustains operation.